document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=551459>Question 551459</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A family goes to an amusement park. adult tickets cost $21. children under 10 years of pay $15. write and algebraic expression for the total cost. Then find the total cost of 4 adult tickets and 3 children's tickets </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359734 by </B><A HREF=/tutors/aboutme.mpl?userid=TutorDelphia><B>TutorDelphia(193)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TutorDelphia><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=TutorDelphia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=359734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Lets use a for adult and c for children. \r<BR>\n" );
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document.write( "We have to multiply 21 by the number of adults and 15 by the number of children.\r<BR>\n" );
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document.write( "t=21*a+15*c<BR>\n" );
document.write( "For 4 adults and 3 children we'd just plug those values in\r<BR>\n" );
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document.write( "t=21*4+15*3\r<BR>\n" );
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document.write( "t=84+45\r<BR>\n" );
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document.write( "t=129<BR>\n" );
document.write( "So the total cost is $129 </SPAN>\n" );
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